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Srinivasan, T. P.
- Significance of Fayalite (+Quartz) Assemblage in Gokanakonda Syenite, Prakasam District, Andhra Pradesh
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Authors
Affiliations
1 Department of Geology, Osmania University, Hyderabad 500 007, IN
2 National Geophysical Research Institute, Uppal, Hyderabad 500 039, IN
1 Department of Geology, Osmania University, Hyderabad 500 007, IN
2 National Geophysical Research Institute, Uppal, Hyderabad 500 039, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 36, No 2 (1990), Pagination: 143-153Abstract
The Fayalite syenites of Gokanakonda in Andhra Pradesh, India, are mineralogically divided into two types: (1) fayalite-clinopyroxene syenites (FC-syenites) and (2) fayalite-quartz syenites (FQ-syenites). The olivine composition ranges from Fa90-95 and the petrochemistry suggests their successive evolution in that order. The assemblage (fayalite+magnetite+quartz) in these syenites suggests a pressure of 11.5 kb and a temperature of 900°C under constant fo2.Keywords
Petrology (Igneous), Fayalite-Syenite, Prakasarn District, Andhra Pradesh.- Mineralogy and Textural Features of Settupalle Syenites, Prakasm District, Andhra Pradesh
Abstract Views :188 |
PDF Views:3
Authors
Affiliations
1 Bhavan's New Science College, Narayanguda, Hyderabad - 500 029, IN
2 Department of Geology, Osmania University, Hyderabad-500 007, IN
1 Bhavan's New Science College, Narayanguda, Hyderabad - 500 029, IN
2 Department of Geology, Osmania University, Hyderabad-500 007, IN